<template>
  <div id="goods">
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片 -->
    <el-card>
      <!-- 2，给图标表一个容器 -->
      <div id="main" style="width: 750px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
// 1，导入echarts
import echarts from 'echarts'
import _ from 'lodash'

export default {
  name: 'reports',
  data() {
    return {
      options: {
        title: {
          text: '用户来源',
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3',
            },
          },
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true,
        },
        xAxis: [
          {
            boundaryGap: false,
          },
        ],
        yAxis: [
          {
            type: 'value',
          },
        ],
      },
    }
  },
  // 没有等到页面元素渲染完毕就会执行
  created() {},
  // 页面上的dom元素渲染完毕后执行
  async mounted() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'))
    const { data: res } = await this.$http.get('reports/type/1')
    if(res.meta.status !== 200) return;
    const result = _.merge(res.data,this.options)
    // 指定图表的配置项和数据

    // 5,使用刚指定的配置项和数据显示图表。
    myChart.setOption(result)
  },
  methods: {},
}
</script>

<style lang="less" scoped>
.el-card {
  margin-top: 15px;
  box-shadow: none;
}
</style>